The air resistance to the movement of the train is proportional to Options: A . &nbspspeed B . &nbsp(speed)2 C . &nbsp(speed)3 D . &nbsp1/speed

The air resistance to the movement of the train is proportional to

Question

The air resistance to the movement of the train is proportional to

Options:

A . speed

B . (speed)2

C . (speed)3

D . 1/speed

Answer: Option B

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